﻿<?php
session_start();



session_destroy();

//会话即表示已经结束。下一句话应该写js，使页面跳转了。

 echo "<script>alert('已经退出登陆！'); location.href='login.php';</script>"


?>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>无标题文档</title>
</head>

<body>

</body>
</html>